HAMIDAH, H.; NASUTION, H.; ISKANDARINI, I. Investigating the Service Quality Improvement Strategy at PT. Kereta Api Indonesia (PERSERO) Divre I North Sumatera, Indonesia. Frontiers in Business and Economics, [S. l.], v. 2, n. 2, p. 80–86, 2023. DOI: 10.56225/finbe.v2i2.223. Disponível em: https://journal.srnintellectual.com/index.php/finbe/article/view/223. Acesso em: 8 sep. 2024.